Adobe Document Encryption Guidelines and Compatibility Matrix
Product | Acrobat X (AES-256) Compatible (Recommended Choice) | Encryption Options Acrobat | 39.0 | And and Later ( | 40-bit) AES-128, AES-256) Compatible | Acrobat | 57.0 | And and Later (128-bit RC4, AES-128) Compatible | Acrobat 6.0 | And and Later (128-bit RC4) Compatible | Acrobat | 75.0 | And and Later (128-bit RC4 | , AES-128) | Acrobat | 93.0 | And and Later ( | AES-128, AES-25640-bit) | |
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Acrobat X (AES-256) – Recommended Choice | |||||||||||||||||||
Product Version | Acrobat 3.0 | ü |
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Acrobat 4.0 | ü |
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Acrobat 5.0 | ü | ü |
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Acrobat 6.0 | ü | ü | ü |
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Acrobat 7.0 | ü | ü | ü | ü |
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Acrobat 8.0 | ü | ü | ü | ü |
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Acrobat 9.0 | ü | ü | ü | ü | ü |
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Yes | Yes | Yes | Yes | Yes | Yes | ||||||||||||||
Acrobat 9.0 | No | Yes | Yes | Yes | Yes | Yes | |||||||||||||
Acrobat 8.0 | No | No | Yes | Yes | Yes | Yes | |||||||||||||
Acrobat 7.0 | No | No | Yes | Yes | Yes | Yes | |||||||||||||
Acrobat 6.0 | No | No | No | Yes | Yes | Yes | |||||||||||||
Acrobat 5.0 | No | No | No | No | Yes | Yes | |||||||||||||
Acrobat 4.0 | No | No | No | No | No | Yes | |||||||||||||
Acrobat 3.0 | No | No | No | No | No | Yes | Acrobat X | ü | ü | ü | ü | ü | ü |
Note: in Acrobat X there is no longer an "Acrobat 9 and later" option on the list because the 256-bit AES algorithm used in Acrobat 9 was flawed.
Microsoft Office Document Encryption Guidelines and Compatibility Matrix
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